Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Sanjoinine A (1) was synthesized from a 14-membered cyclopeptide prepared from a Garner aldehyde derived from d-serine. The key steps in the synthesis were the catalytic asymmetric reduction of ketone 2(b) and the final removal of the Boc group. ... The total synthesis of ...